CA2309525C - Methode de detection du silence dans un flot vocal - Google Patents

Methode de detection du silence dans un flot vocal Download PDF

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Publication number
CA2309525C
CA2309525C CA002309525A CA2309525A CA2309525C CA 2309525 C CA2309525 C CA 2309525C CA 002309525 A CA002309525 A CA 002309525A CA 2309525 A CA2309525 A CA 2309525A CA 2309525 C CA2309525 C CA 2309525C
Authority
CA
Canada
Prior art keywords
silence
value
packet
energy
detector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002309525A
Other languages
English (en)
Other versions
CA2309525A1 (fr
Inventor
Robert Geoffrey Wood
Franck Beaucoup
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitel Networks Corp
Original Assignee
Mitel Networks Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitel Networks Corp filed Critical Mitel Networks Corp
Publication of CA2309525A1 publication Critical patent/CA2309525A1/fr
Application granted granted Critical
Publication of CA2309525C publication Critical patent/CA2309525C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)
CA002309525A 1999-05-28 2000-05-26 Methode de detection du silence dans un flot vocal Expired - Fee Related CA2309525C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9912577.5 1999-05-28
GBGB9912577.5A GB9912577D0 (en) 1999-05-28 1999-05-28 Method of detecting silence in a packetized voice stream

Publications (2)

Publication Number Publication Date
CA2309525A1 CA2309525A1 (fr) 2000-11-28
CA2309525C true CA2309525C (fr) 2004-11-09

Family

ID=10854442

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002309525A Expired - Fee Related CA2309525C (fr) 1999-05-28 2000-05-26 Methode de detection du silence dans un flot vocal

Country Status (3)

Country Link
US (1) US6535844B1 (fr)
CA (1) CA2309525C (fr)
GB (2) GB9912577D0 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2356538A (en) * 1999-11-22 2001-05-23 Mitel Corp Comfort noise generation for open discontinuous transmission systems
US7058675B1 (en) * 2000-09-28 2006-06-06 Altera Corporation Apparatus and method for implementing efficient arithmetic circuits in programmable logic devices
WO2002093552A1 (fr) * 2001-05-11 2002-11-21 Koninklijke Philips Electronics N.V. Estimation de la puissance d'un signal audio comprime
US7085715B2 (en) 2002-01-10 2006-08-01 Mitel Networks Corporation Method and apparatus of controlling noise level calculations in a conferencing system
US7072828B2 (en) * 2002-05-13 2006-07-04 Avaya Technology Corp. Apparatus and method for improved voice activity detection
US7272552B1 (en) * 2002-12-27 2007-09-18 At&T Corp. Voice activity detection and silence suppression in a packet network
US7230955B1 (en) 2002-12-27 2007-06-12 At & T Corp. System and method for improved use of voice activity detection
US9015338B2 (en) * 2003-07-23 2015-04-21 Qualcomm Incorporated Method and apparatus for suppressing silence in media communications
US7412376B2 (en) * 2003-09-10 2008-08-12 Microsoft Corporation System and method for real-time detection and preservation of speech onset in a signal
US7756709B2 (en) * 2004-02-02 2010-07-13 Applied Voice & Speech Technologies, Inc. Detection of voice inactivity within a sound stream
US20060122837A1 (en) * 2004-12-08 2006-06-08 Electronics And Telecommunications Research Institute Voice interface system and speech recognition method
GB2430853B (en) * 2005-09-30 2007-12-27 Motorola Inc Voice activity detector

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451680A1 (fr) * 1979-03-12 1980-10-10 Soumagne Joel Discriminateur parole/silence pour interpolation de la parole
US4449190A (en) * 1982-01-27 1984-05-15 Bell Telephone Laboratories, Incorporated Silence editing speech processor
JPS63500560A (ja) * 1986-03-18 1988-02-25 ジーメンス　アクチエンゲゼルシヤフト 通話信号とノイズのない又はノイズのある通話ポーズ信号とを識別する方法および装置
FR2631147B1 (fr) 1988-05-04 1991-02-08 Thomson Csf Procede et dispositif de detection de signaux vocaux
US5351338A (en) * 1992-07-06 1994-09-27 Telefonaktiebolaget L M Ericsson Time variable spectral analysis based on interpolation for speech coding
US5812737A (en) * 1995-01-09 1998-09-22 The Board Of Trustees Of The Leland Stanford Junior University Harmonic and frequency-locked loop pitch tracker and sound separation system
US5706392A (en) * 1995-06-01 1998-01-06 Rutgers, The State University Of New Jersey Perceptual speech coder and method
US5659622A (en) * 1995-11-13 1997-08-19 Motorola, Inc. Method and apparatus for suppressing noise in a communication system
US5794199A (en) * 1996-01-29 1998-08-11 Texas Instruments Incorporated Method and system for improved discontinuous speech transmission
US5978756A (en) * 1996-03-28 1999-11-02 Intel Corporation Encoding audio signals using precomputed silence
US5890109A (en) * 1996-03-28 1999-03-30 Intel Corporation Re-initializing adaptive parameters for encoding audio signals
US6311154B1 (en) * 1998-12-30 2001-10-30 Nokia Mobile Phones Limited Adaptive windows for analysis-by-synthesis CELP-type speech coding

Also Published As

Publication number Publication date
US6535844B1 (en) 2003-03-18
GB2352378B (en) 2004-01-14
GB2352378A (en) 2001-01-24
GB0012884D0 (en) 2000-07-19
GB9912577D0 (en) 1999-07-28
CA2309525A1 (fr) 2000-11-28

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Effective date: 20150526